1) four sub-frequency
四倍频细分
1.
CPLD chips have been used to design a new subdivision module and Verilog HDL used to realize modules of four sub-frequency,direction judgment and counting.
给出一种新的光栅位移传感器的四倍频细分电路设计方法。
2) four fold-frequency subdivision
4倍频细分
1.
Three functions are described: four fold-frequency subdivision,direction-judgment and counting.
描述了该信号处理方法的3个功能:4倍频细分、辨向及计数。
3) phase locked double frequency subdvision
锁相倍频细分
4) direction-judgment and frequency circuit
辨向和倍频细分
5) Quadruple Frequency
四倍频
1.
Application of Quadruple Frequency Phase Discrimination and Counting Circuit in Motion Controller;
基于CPLD的四倍频鉴相计数电路在运动控制器中的应用
2.
And then introduces the method of accomplishing the direction, quadruple frequency and count using EPM7128S.
本文介绍了电机鉴向、四倍频的原理以及使用EMPM7128S进行鉴向、四倍频、计数的方法,并给出了相应的VHDL程序和仿真图。
3.
According to the system block diagram,We design some VHDL programs of address decoder and quadruple frequency phase discrimination of NC biaxial position detection system,and simulate the hardware design of the system.
简介数控机床位置检测系统工作原理,根据系统原理框图编写数控机床双轴位置检测系统的地址译码、四倍频鉴相计数等VHDL程序,并对系统的硬件设计进行仿真,试验结果表明,系统可精确检测伺服电机的转速和方向。
6) fourfold frequency
四倍频
1.
The paper introduces the fourfold frequency circuit design for photoelectric encoder based on MCU.
文章针对增量式光电编码器输出信号的倍频鉴向处理问题,介绍了一种用单片机设计的编码器四倍频电路。
2.
The main characters of EMP7128 were briefly introduced,and design principle of fourfold frequency and interface circuits were analyzed in detail.
简略介绍了EMP7128器件的主要特点,详细分析了四倍频计数电路和接口电路的设计原理。
补充资料：频分多路通信
见多路通信、有线载波通信。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条